ENZYME entry: EC 3.2.1.192
| Accepted Name |
|---|
| Ginsenoside Rb1 beta-glucosidase.
|
| Reaction catalysed |
|---|
| Ginsenoside Rb1 + 2 H(2)O <=> ginsenoside Rg3 + 2 D-glucopyranose |
| Comment(s) |
|---|
- Ginsenosidases catalyze the hydrolysis of glycosyl moieties attached
to the C-3, C-6 or C-20 position of ginsenosides.
- They are specific with respect to the nature of the glycosidic
linkage, the position and the order in which the linkages are
cleaved.
- Ginsenoside Rb1 beta-glucosidase specifically and sequentially
hydrolyzes the 20-(beta-D-glucopyranosyl-(1->6)-beta-D
glucopyranosyloxy) residues attached to position 20 by first
hydrolyzing the (1->6)-glucosidic bond to generate ginsenoside Rd as
an intermediate, followed by hydrolysis of the remaining 20-O-beta-D-
glucosidic bond.
|
| Cross-references |
|---|
| BRENDA | 3.2.1.192 |
| EC2PDB | 3.2.1.192 |
| ExplorEnz | 3.2.1.192 |
| PRIAM enzyme-specific profiles | 3.2.1.192 |
| KEGG Ligand Database for Enzyme Nomenclature | 3.2.1.192 |
| IUBMB Enzyme Nomenclature | 3.2.1.192 |
| IntEnz | 3.2.1.192 |
| MEDLINE | Find literature relating to 3.2.1.192 |
| MetaCyc | 3.2.1.192 |
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ENZYME /
UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
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